 Probability and Computing examination paper by the University of Oxford (2015)

The three-page University of Oxford Finals examination dated 1 June 2015, Trinity Term 2015. The released examination archive contains the original as 2015-probc.pdf. Questions 1–2 occupy printed p. 2; Question 2(f)–(g) and Question 3 occupy printed p. 3. The original p. 2 defines $x_j$ as an expected value; its assertions in Question 2(b) and (c) are false for two bins, rather than transcription gaps.